body {
    margin: 0;
    font-family: "Segoe UI", Arial, sans-serif;
    background: #f8f9fa;
    color: #222;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 25px;
    background: #ffffff;
    border-bottom: 1px solid #ddd;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 700;
}

.logo img {
    width: 38px;
    height: 38px;
}

.menu a {
    margin-left: 20px;
    text-decoration: none;
    color: #333;
    font-weight: 600;
}
.menu a:hover {
    color: #0078ff;
}

.hero {
    padding: 70px 20px;
    text-align: center;
    background: linear-gradient(135deg, #0078ff, #3bb4ff);
    color: white;
}
.hero h1 {
    font-size: 48px;
    margin-bottom: 10px;
}
.hero p {
    font-size: 20px;
}

.grid {
    display: grid;
    gap: 20px;
    padding: 40px 20px;
    max-width: 1100px;
    margin: auto;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.card {
    background: white;
    padding: 25px;
    border-radius: 14px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: 0.25s;
}
.card:hover {
    transform: translateY(-4px);
}

.footer {
    text-align: center;
    padding: 25px 0;
    margin-top: 20px;
    background: #fff;
    border-top: 1px solid #ddd;
}